S Sandustry Tips
Byproduct troubleshooting

Sandustry Residue Backup: Keep Byproducts Out Of The Gold Line

Quick diagnosis: a Gold line can stop even when Wet Sand and Shakers are correct if Residue has nowhere readable to go.

First check

Follow Residue, not Gold

If the byproduct path covers the input or output, the whole line starts looking random.

Sandustry Residue backup diagram comparing a blocked Shaker line with a separated byproduct exit
The working side keeps Wet Sand input, Gold drop space and Residue exit separate enough to inspect.

How Residue breaks production

Residue is not just waste. When it backs into the Shaker area or downstream processing, it can cover fresh Wet Sand, fill output space and make a healthy machine appear stuck.

Diagnosis order

  1. Find the byproduct exit

    Do not start at the Gold collection point. First confirm where Residue is supposed to leave.

  2. Check whether it crosses the input

    If Residue moves over the Wet Sand feed, it can starve the line while input still exists nearby.

  3. Confirm downstream capacity

    If a Kinetic Press or later machine receives byproducts, its output must also remain clear.

Smallest useful fixes

Give Residue a side or downhill route before increasing Wet Sand input.
Keep Gold drop space open under the Shaker body.
Use the Gold Blueprint as the source-based structure reference.
Inspect Kinetic Press output before blaming the upstream Shaker.

What the sources establish

Byproduct routing can break a Gold line even when Wet Sand input and the Shaker itself are otherwise correct.

What it does not cover

This guide does not claim the best permanent byproduct bus, the right downstream machine chain for every save, or a universal map-independent Residue layout. It is a diagnosis reference, not a complete factory template.

Featured Questions

Why does Residue keep backing up in Sandustry?

The usual reason is that byproduct has no separate side or downhill route, so it starts sharing tiles with fresh input or output.

How do you fix Residue backup in a Gold line?

Trace the byproduct exit first, then clear the crossing point where Residue starts covering Wet Sand input, Gold drop space, or the next machine's output.

Primary Sources

Related

Gold Blueprint · First Factory · Kinetic Press

Source note: Use the linked source for the underlying reference. Early Access details can change.

Official source